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(231)
Enter 7-digit phone number for area code 231 or the complete 10-digit phone number

Phone Prefixes for Area Code 231

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Area code location Company / Service Provider
231-201 CHIPPEWALK, MI NEW CINGULAR WIRELESS PCS, LLC - IL
231-202 MECOSTA, MI NEW CINGULAR WIRELESS PCS, LLC - IL
231-203 ALANSON, MI NEW CINGULAR WIRELESS PCS, LLC - IL
231-204 FIFE LAKE, MI USA MOBILITY WIRELESS, INC.
231-205 BRUTUS, MI TELNET WORLDWIDE, INC.
231-206 MUSKEGON, MI SPRINT SPECTRUM L.P.
231-207 HONOR, MI TELNET WORLDWIDE, INC.
231-208 BOYNEFALLS, MI TELNET WORLDWIDE, INC.
231-209 SUTTONS BAY, MI TELNET WORLDWIDE, INC.
231-212 INTERLOCHN, MI CENTURYLINK COMMUNICATIONS LLC
231-213 Traverse City, MI AMERITECH MICHIGAN
231-214 LE ROY, MI USA MOBILITY WIRELESS, INC.
231-215 MUSKEGON, MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
231-216 FRANKFORT, MI PEERLESS NETWORK OF MICHIGAN, LLC - MI
231-217 BEAR LAKE, MI TELNET WORLDWIDE, INC.
231-218 Traverse City, MI SPRINT SPECTRUM L.P.
231-219 MERRITT, MI TELNET WORLDWIDE, INC.
231-220 MUSKEGON, MI 123 NET, INC.
231-221 Harbor Springs, MI CENTURYLINK COMMUNICATIONS LLC
231-222 East Jordan, MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-223 OLDMISSION, MI PENINSULA TELEPHONE CO.
231-224 FREMONT, MI LUCRE, INC.
231-225 FREMONT, MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-226 GLEN LAKE, MI TELNET WORLDWIDE, INC.
231-227 HONOR, MI CHARTER FIBERLINK - MICHIGAN, LLC - MI
231-228 GLEN LAKE, MI CENTURYTEL OF MICHIGAN INC DBA CENTURYLINK
231-229 MOORESTOWN, MI CENTURYTEL OF MICHIGAN INC DBA CENTURYLINK
231-230 ELMIRA, MI TELNET WORLDWIDE, INC.
231-232 MOORESTOWN, MI TELNET WORLDWIDE, INC.
231-233 LUDINGTON, MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
231-234 BUCKLEY, MI CHARTER FIBERLINK - MICHIGAN, LLC - MI
231-235 LEVERING, MI TELNET WORLDWIDE, INC.
231-236 LAKE CITY, MI TELNET WORLDWIDE, INC.
231-237 CHARLEVOIX, MI AMERITECH MICHIGAN
231-238 INDIAN RIV, MI AMERITECH MICHIGAN
231-239 LUDINGTON, MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
231-240 LAKE ANN, MI TELNET WORLDWIDE, INC.
231-241 PENTWATER, MI DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI
231-242 Harbor Springs, MI AMERITECH MICHIGAN
231-243 ALANSON, MI TELNET WORLDWIDE, INC.
231-244 BOYNE CITY, MI CENTURYLINK COMMUNICATIONS LLC
231-245 NEWAYGO, MI NEW CINGULAR WIRELESS PCS, LLC - IL
231-246 MUSKEGON, MI COMCAST PHONE OF MICHIGAN, LLC - MI
231-249 CHEBOYGAN, MI LUCRE, INC.
231-250 BIG RAPIDS, MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
231-251 LKLEELANAU, MI PEERLESS NETWORK OF MICHIGAN, LLC - MI
231-252 Traverse City, MI BANDWIDTH.COM CLEC, LLC - MI
231-255 ONEKAMA, MI USA MOBILITY WIRELESS, INC.
231-256 LKLEELANAU, MI AMERITECH MICHIGAN
231-258 KALKASKA, MI AMERITECH MICHIGAN
New numbers being added to 231 area code
Effective: 07/15/2017
231-493 in TRAVERSE CITY, MI
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
Effective: 06/23/2017
231-581 in ALBA, MI
CHARTER FIBERLINK - MICHIGAN, LLC - MI
231 Area Code Information
Type of code: General Purpose Code
location: MI - US
Time zone: E
Assigned for use: Yes
Code in service: Yes
Service date: June 05, 1999
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 167
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D 10D
Foreign local calls: 10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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